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Start of an MSP430FR5969 IAR project - currently running Blinky only.
This commit is contained in:
Richard Barry
parent
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72 changed files with 43164 additions and 0 deletions
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/* --COPYRIGHT--,BSD
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* Copyright (c) 2014, Texas Instruments Incorporated
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --/COPYRIGHT--*/
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//*****************************************************************************
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//
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// aes256.h - Driver for the AES256 Module.
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//
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//*****************************************************************************
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#ifndef __MSP430WARE_AES256_H__
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#define __MSP430WARE_AES256_H__
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#include "inc/hw_memmap.h"
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#ifdef __MSP430_HAS_AES256__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// The following are values that can be passed to the keyLength parameter for
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// functions: AES256_setCipherKey(), AES256_setDecipherKey(), and
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// AES256_startSetDecipherKey().
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//
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//*****************************************************************************
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#define AES256_KEYLENGTH_128BIT 128
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#define AES256_KEYLENGTH_192BIT 192
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#define AES256_KEYLENGTH_256BIT 256
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//*****************************************************************************
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//
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// The following are values that can be passed toThe following are values that
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// can be returned by the AES256_getErrorFlagStatus() function.
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//
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//*****************************************************************************
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#define AES256_ERROR_OCCURRED AESERRFG
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#define AES256_NO_ERROR 0x00
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//*****************************************************************************
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//
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// The following are values that can be passed toThe following are values that
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// can be returned by the AES256_isBusy() function.
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//
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//*****************************************************************************
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#define AES256_BUSY AESBUSY
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#define AES256_NOT_BUSY 0x00
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//*****************************************************************************
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//
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// The following are values that can be passed toThe following are values that
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// can be returned by the AES256_getInterruptStatus() function.
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//
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//*****************************************************************************
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#define AES256_READY_INTERRUPT AESRDYIE
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#define AES256_NOTREADY_INTERRUPT 0x00
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//*****************************************************************************
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//
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// Prototypes for the APIs.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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//! \brief Loads a 128, 192 or 256 bit cipher key to AES256 module.
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//!
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//! This function loads a 128, 192 or 256 bit cipher key to AES256 module.
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//! Requires both a key as well as the length of the key provided. Acceptable
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//! key lengths are AES256_KEYLENGTH_128BIT, AES256_KEYLENGTH_192BIT, or
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//! AES256_KEYLENGTH_256BIT
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//! \param cipherKey is a pointer to an uint8_t array with a length of 16 bytes
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//! that contains a 128 bit cipher key.
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//! \param keyLength is the length of the key.
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//! Valid values are:
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//! - \b AES256_KEYLENGTH_128BIT
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//! - \b AES256_KEYLENGTH_192BIT
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//! - \b AES256_KEYLENGTH_256BIT
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//!
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//! \return STATUS_SUCCESS or STATUS_FAIL of key loading
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//
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//*****************************************************************************
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extern uint8_t AES256_setCipherKey(uint16_t baseAddress,
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const uint8_t *cipherKey,
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uint16_t keyLength);
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//*****************************************************************************
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//
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//! \brief Encrypts a block of data using the AES256 module.
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//!
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//! The cipher key that is used for encryption should be loaded in advance by
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//! using function AES256_setCipherKey()
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//! \param data is a pointer to an uint8_t array with a length of 16 bytes that
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//! contains data to be encrypted.
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//! \param encryptedData is a pointer to an uint8_t array with a length of 16
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//! bytes in that the encrypted data will be written.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_encryptData(uint16_t baseAddress,
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const uint8_t *data,
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uint8_t *encryptedData);
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//*****************************************************************************
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//
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//! \brief Decrypts a block of data using the AES256 module.
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//!
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//! This function requires a pregenerated decryption key. A key can be loaded
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//! and pregenerated by using function AES256_setDecipherKey() or
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//! AES256_startSetDecipherKey(). The decryption takes 167 MCLK.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//! \param data is a pointer to an uint8_t array with a length of 16 bytes that
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//! contains encrypted data to be decrypted.
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//! \param decryptedData is a pointer to an uint8_t array with a length of 16
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//! bytes in that the decrypted data will be written.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_decryptData(uint16_t baseAddress,
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const uint8_t *data,
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uint8_t *decryptedData);
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//*****************************************************************************
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//
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//! \brief Sets the decipher key.
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//!
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//! The API AES256_startSetDecipherKey or AES256_setDecipherKey must be invoked
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//! before invoking AES256_startDecryptData.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//! \param cipherKey is a pointer to an uint8_t array with a length of 16 bytes
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//! that contains a 128 bit cipher key.
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//! \param keyLength is the length of the key.
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//! Valid values are:
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//! - \b AES256_KEYLENGTH_128BIT
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//! - \b AES256_KEYLENGTH_192BIT
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//! - \b AES256_KEYLENGTH_256BIT
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//!
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//! \return STATUS_SUCCESS or STATUS_FAIL of key loading
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//
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//*****************************************************************************
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extern uint8_t AES256_setDecipherKey(uint16_t baseAddress,
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const uint8_t *cipherKey,
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uint16_t keyLength);
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//*****************************************************************************
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//
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//! \brief Clears the AES256 ready interrupt flag.
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//!
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//! This function clears the AES256 ready interrupt flag. This flag is
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//! automatically cleared when AES256ADOUT is read, or when AES256AKEY or
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//! AES256ADIN is written. This function should be used when the flag needs to
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//! be reset and it has not been automatically cleared by one of the previous
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//! actions.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//!
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//! Modified bits are \b AESRDYIFG of \b AESACTL0 register.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_clearInterrupt(uint16_t baseAddress);
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//*****************************************************************************
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//
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//! \brief Gets the AES256 ready interrupt flag status.
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//!
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//! This function checks the AES256 ready interrupt flag. This flag is
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//! automatically cleared when AES256ADOUT is read, or when AES256AKEY or
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//! AES256ADIN is written. This function can be used to confirm that this has
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//! been done.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//!
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//! \return One of the following:
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//! - \b AES256_READY_INTERRUPT
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//! - \b AES256_NOTREADY_INTERRUPT
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//! \n indicating the status of the AES256 ready status
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//
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//*****************************************************************************
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extern uint32_t AES256_getInterruptStatus(uint16_t baseAddress);
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//*****************************************************************************
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//
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//! \brief Enables AES256 ready interrupt.
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//!
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//! Enables AES256 ready interrupt. This interrupt is reset by a PUC, but not
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//! reset by AES256_reset.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//!
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//! Modified bits are \b AESRDYIE of \b AESACTL0 register.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_enableInterrupt(uint16_t baseAddress);
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//*****************************************************************************
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//
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//! \brief Disables AES256 ready interrupt.
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//!
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//! Disables AES256 ready interrupt. This interrupt is reset by a PUC, but not
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//! reset by AES256_reset.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//!
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//! Modified bits are \b AESRDYIE of \b AESACTL0 register.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_disableInterrupt(uint16_t baseAddress);
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//*****************************************************************************
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//
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//! \brief Resets AES256 Module immediately.
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//!
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//! This function performs a software reset on the AES256 Module, note that
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//! this does not affect the AES256 ready interrupt.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//!
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//! Modified bits are \b AESSWRST of \b AESACTL0 register.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_reset(uint16_t baseAddress);
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//*****************************************************************************
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//
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//! \brief Starts an encryption process on the AES256 module.
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//!
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//! The cipher key that is used for decryption should be loaded in advance by
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//! using function AES256_setCipherKey(). This is a non-blocking equivalent of
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//! AES256_encryptData(). It is recommended to use the interrupt functionality
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//! to check for procedure completion then use the AES256_getDataOut() API to
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//! retrieve the encrypted data.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//! \param data is a pointer to an uint8_t array with a length of 16 bytes that
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//! contains data to be encrypted.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_startEncryptData(uint16_t baseAddress,
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const uint8_t *data);
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//*****************************************************************************
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//
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//! \brief Decrypts a block of data using the AES256 module.
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//!
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//! This is the non-blocking equivalent of AES256_decryptData(). This function
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//! requires a pregenerated decryption key. A key can be loaded and
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//! pregenerated by using function AES256_setDecipherKey() or
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//! AES256_startSetDecipherKey(). The decryption takes 167 MCLK. It is
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//! recommended to use interrupt to check for procedure completion then use the
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//! AES256_getDataOut() API to retrieve the decrypted data.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//! \param data is a pointer to an uint8_t array with a length of 16 bytes that
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//! contains encrypted data to be decrypted.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_startDecryptData(uint16_t baseAddress,
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const uint8_t *data);
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//*****************************************************************************
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//
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//! \brief Sets the decipher key
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//!
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//! The API AES256_startSetDecipherKey() or AES256_setDecipherKey() must be
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//! invoked before invoking AES256_startDecryptData.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//! \param cipherKey is a pointer to an uint8_t array with a length of 16 bytes
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//! that contains a 128 bit cipher key.
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//! \param keyLength is the length of the key.
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//! Valid values are:
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//! - \b AES256_KEYLENGTH_128BIT
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//! - \b AES256_KEYLENGTH_192BIT
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//! - \b AES256_KEYLENGTH_256BIT
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//!
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//! \return STATUS_SUCCESS or STATUS_FAIL of key loading
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//
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//*****************************************************************************
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extern uint8_t AES256_startSetDecipherKey(uint16_t baseAddress,
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const uint8_t *cipherKey,
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uint16_t keyLength);
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//*****************************************************************************
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//
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//! \brief Reads back the output data from AES256 module.
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//!
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//! This function is meant to use after an encryption or decryption process
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//! that was started and finished by initiating an interrupt by use of
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//! AES256_startEncryptData or AES256_startDecryptData functions.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//! \param outputData is a pointer to an uint8_t array with a length of 16
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//! bytes in that the data will be written.
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//!
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//! \return STATUS_SUCCESS if data is valid, otherwise STATUS_FAIL
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//
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//*****************************************************************************
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extern uint8_t AES256_getDataOut(uint16_t baseAddress,
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uint8_t *outputData);
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//*****************************************************************************
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//
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//! \brief Gets the AES256 module busy status.
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//!
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//! Gets the AES256 module busy status. If a key or data are written while the
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//! AES256 module is busy, an error flag will be thrown.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//!
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//! \return One of the following:
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//! - \b AES256_BUSY
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//! - \b AES256_NOT_BUSY
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//! \n indicating if the AES256 module is busy
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//
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//*****************************************************************************
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extern uint16_t AES256_isBusy(uint16_t baseAddress);
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//*****************************************************************************
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//
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//! \brief Clears the AES256 error flag.
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//!
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//! Clears the AES256 error flag that results from a key or data being written
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//! while the AES256 module is busy.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//!
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//! Modified bits are \b AESERRFG of \b AESACTL0 register.
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//!
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//! \return None
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//
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//*****************************************************************************
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extern void AES256_clearErrorFlag(uint16_t baseAddress);
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//*****************************************************************************
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//
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//! \brief Gets the AES256 error flag status.
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//!
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//! Checks the AES256 error flag that results from a key or data being written
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//! while the AES256 module is busy. If the flag is set, it needs to be cleared
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//! using AES256_clearErrorFlag.
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//!
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//! \param baseAddress is the base address of the AES256 module.
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//!
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//! \return One of the following:
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//! - \b AES256_ERROR_OCCURRED
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//! - \b AES256_NO_ERROR
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//! \n indicating the error flag status
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//
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//*****************************************************************************
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extern uint32_t AES256_getErrorFlagStatus(uint16_t baseAddress);
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif // __MSP430WARE_AES256_H__
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